Audio workstation



FIG. 1 is a top, front and right side perspective view of an audio workstation showing our new design;

FIG. 2 is a top, front and right side perspective view thereof; shown separated for clarity of illustration;

FIG. 3 is a left side elevational view thereof;

FIG. 4 is a rear elevational view thereof; and,

FIG. 5 is a bottom plan view thereof. 

The ornamental design for a audio workstation, as shown and described. 